Home / 48,481.60-72,692.61-18,864.94

Finding the Fourth Proportional to 48,481.60, 72,692.61 and 18,864.94

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Solution

The fourth proportional to 48,481.60, 72,692.61 and 18,864.94 is: 28,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,481.60 : 72,692.61 = 18,864.94 : x
  2. Step 2: Convert to fraction form
    48,481.60/72,692.61 = 18,864.94/x
  3. Step 3: Cross multiply
    48,481.60x = 72,692.61 × 18,864.94
  4. Step 4: Simplify right side
    48,481.60x = 1,371,341,726.09
  5. Step 5: Solve for x
    x = 1,371,341,726.09/48,481.60
  6. Step 6: Final answer
    x = 28,285.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.